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E. WALTON 8v P. MACKE.

(No Model.)

NAIL MAKING. MACHINE. v No. 604,553. Patented May 24,1898.

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Uivrrien Sfr-aorte .armar @ritieni ERNEST IVALTON AND FRED MACKE, OE STERLING, ILLINOIS, ASSIGNORS OF ONE-THIRD TO vWASHINGTON M. DILLON, OF SAME PLACE.

wait-Mamme MACHINE.

SPECIFICATION forming part of Letters Patent No. 604,553, dated May 24, 1898.

Application filed October 5, 1896. Serial No. 607,891. (No model.)

To @ZZ wwm t may concern,.- As the operation of one of the cams 4 and Be it known that we, ERNEST WALTON and attendant mechanism is duplicated in the FRED MACKIE, citizens of the United States, other we will for the present limit the speciresiding at Sterling, in the count-y of Whitefication to only one thereof.l 5 side and State of Illinois, have invented cer- 6 is a lever fulcrumed, as at c, and having tain new and useful Improvements in Nailon the inner end of the long arm thereof the Making Machines; and we do declare the folantifriction-roller 7 ,which engages and travlowing to be afull, clear, and exact description els in the track 5. In the outer or short arm of the invention, such as will enable others of the lever 6 is a set-screw 8,Which impinges 6o 1o skilled in the art to which it appertains to the usual oscillating rocker-bar 9, carrying make and use the same, reference being had ordinary cutting-knives 110.

to the accompanying drawings, and to the let- 11 represents a lever pivoted, as at t, and ters and figures of reference marked thereon, provided at its inner or long end with an anwhich form a part of this specification. i tifriction-roller 12. On the outer face of the 15 Our invention relates to nail-making macam 4 is a projection 13, which engages the chines, and has reference more specially to roller 12 during a portion of the cams rotathe compound ordouble feed 1nachines,where tion. In the outer end of the lever 11 is a in nails are manufactured from Wire. In set-screw lawhich impinges the usual pinchmechanism of this kind as heretofore used as bar 15. 7o

2o the wire was fed into the machine it was 16 16 indicate the wire being fed in at each caught and held by a pinching device while end of the machine. the operation of cutting the wire the proper In operation as the cam 4 revolves the inlength and forming a head on one end therener end of the lever G is given an oscillating of was performed, the pinching and cutting motion, which motion is imparted by means 25 devices being operated by different, mechanof such lever to the rocker-bar 9 and knife ism. In our machine we greatly simplify the 10, secured therein, alternately bringing such operating mechanism by using a double-cam knife in contact with the Wire and releasing device,whereby the pinching and cutting op` the same therefrom. The action of the rockererations are performed alternately at either bar and knife can be regulated or gaged by 8o 3o end of the machine, such cams being so conmeans of the set-screw 8. The tracks 5 on structed as to operate both the pinching and the cams 4L instead of being parallel with each cutting devices simultaneously, doing away other are the reverse, causing the long arms with a large amount of gearing or equivalent of the pair of .levers 6 at one end of the mamechanism which is now employed in machine to be thrown outward at the same in- 3 5 chines of this class. stant and the knives 10 to come together co- In the drawings, Figure 1 is a plan view of incidently therewithr The inner movement our invention. Fig. 2 is a side elevation of the long arms of such levers and separathereof. Fig. 3 is a detailed end elevation of tion of the knives likewise coincides. It is one of the cams. also apparent that when one pair of levers 6 9o 4o Similar numbers and letters refer to similar is operated in one direction the operation of parts throughout the drawings. the pair of levers at the other end of the ma- 1 is the main shaft of the machine, jourchine is directly the reverse, the operation of naled in bearings 2 on the frame or bed 3 holding and cutting the wire being carried on thereof. alternately at each end of the machine. In

45 4L 4 are came rigidly seated upon the shaft the revolution of the cam 11 the projection 18, 1 and provided on their peripheries with the engaging the roller l2, throws the inner arm annular grooves or tracks 5, which are not of the lever 11 outward, giving to the outer parallel with the faces of the cams 4, but diagarm thereof and pinch-bar 15 a lateral moveonal therewith, so that the tracks 5 traverse ment toward the wire 1G sufiicientvto bring roo 5o the periphery of the cams diagonally and rethe pinch-bar in contact with the wire and turn in one revolution of the cams. hold it securely against the stationary block 17 until released upon the projection 13 and roller 12 becoming disengaged. The relative position of the projection 13 and track 5 is such that the Wire is being iirnily held bythe 5 pinch-bar 15 when the operation of cutting the Wire is being performed. By means of the set-screw 14 the contact of the pinch-bar with the Wire is regulated.

What We claim as our invention, and desire Io to secure by Letters Patent of the United States, is-

In a compound nail-machine, the combination of the driving-shaft 1 carrying,` the cams 4 provided with tracks 5 and projections 13, 15 and levers ll actuated by said caln projections 5 and carrying pinch-bars 15, and levers ERNEST WALTON. FRED MACKE.

Witnesses as to Walton: W. P. PALMER, H. N. GEYER. Vitnesses as to Macke: M. W. ToBEY, C. H. TUTTLE. 

